China Cold Heading Drawn Wire Rod 10b21 Screws Bolts Spheroidized Annealed Boron Carbon Steel Wire, Find details about China Wire, Steel Wire from Cold Heading Drawn Wire Rod 10b21 Screws Bolts Spheroidized Annealed Boron Carbon Steel Wire
Grade | Chemical Composition(%) | ||||||||||
C | Si | Mn | P | S | Al | Ti | B | Cr | Mo | V | |
10B21 | 0.18~0.23 | ≤0.10 | 0.70~1.00 | ≤0.030 | ≤0.035 | - | ≥0.0005 |